FAIRFAX COUNTY, Va. (WUSA9) -- A member of theOld Guard Caisson Platoon is being implicated in a child sex scandal, police tell WUSA9.

SPC Matthew McKendrick, of Huntington, Va., was arrested and charged with carnal knowledge of a child, police said.

McKendrick was arrested following an online investigation by the Fairfax County Child Exploitation Unit.

"Matthew McKendrick was arrested for the offense of Carnal Knowledge with a 13-14 year old Without Force and Indecent Liberties with a Minor. SPC McKendrick's request for bail was denied and he is currently confined in Fairfax County," a spokesperson for the Old Guard said in a news release.

McKendrick is also being charged with Indecent Liberties with a Minor, police said.